ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | |
| 29 | // This file relies on the fact that the following declarations have been made |
| 30 | // in runtime.js: |
| 31 | // const $Object = global.Object; |
| 32 | // const $Boolean = global.Boolean; |
| 33 | // const $Number = global.Number; |
| 34 | // const $Function = global.Function; |
| 35 | // const $Array = global.Array; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 36 | // const $NaN = 0/0; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 37 | |
| 38 | |
| 39 | // ECMA 262 - 15.1.1.1. |
| 40 | %AddProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE); |
| 41 | |
| 42 | |
| 43 | // ECMA-262 - 15.1.1.2. |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 44 | %AddProperty(global, "Infinity", 1/0, DONT_ENUM | DONT_DELETE); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 45 | |
| 46 | |
| 47 | // ECMA-262 - 15.1.1.3. |
| 48 | %AddProperty(global, "undefined", void 0, DONT_ENUM | DONT_DELETE); |
| 49 | |
| 50 | |
| 51 | // ECMA 262 - 15.1.4 |
| 52 | function $isNaN(number) { |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 53 | var n = ToNumber(number); |
| 54 | return NUMBER_IS_NAN(n); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 55 | }; |
| 56 | %AddProperty(global, "isNaN", $isNaN, DONT_ENUM); |
| 57 | |
| 58 | |
| 59 | // ECMA 262 - 15.1.5 |
| 60 | function $isFinite(number) { |
| 61 | return %NumberIsFinite(ToNumber(number)); |
| 62 | }; |
| 63 | %AddProperty(global, "isFinite", $isFinite, DONT_ENUM); |
| 64 | |
| 65 | |
| 66 | // ECMA-262 - 15.1.2.2 |
| 67 | %AddProperty(global, "parseInt", function(string, radix) { |
| 68 | if (radix === void 0) { |
| 69 | radix = 0; |
| 70 | // Some people use parseInt instead of Math.floor. This |
| 71 | // optimization makes parseInt on a Smi 12 times faster (60ns |
| 72 | // vs 800ns). The following optimization makes parseInt on a |
| 73 | // non-Smi number 9 times faster (230ns vs 2070ns). Together |
| 74 | // they make parseInt on a string 1.4% slower (274ns vs 270ns). |
| 75 | if (%_IsSmi(string)) return string; |
| 76 | if (IS_NUMBER(string)) { |
| 77 | if (string >= 0.01 && string < 1e9) |
| 78 | return $Math_floor(string); |
| 79 | if (string <= -0.01 && string > -1e9) |
| 80 | return - $Math_floor(-string); |
| 81 | } |
| 82 | } else { |
| 83 | radix = TO_INT32(radix); |
| 84 | if (!(radix == 0 || (2 <= radix && radix <= 36))) |
| 85 | return $NaN; |
| 86 | } |
| 87 | return %StringParseInt(ToString(string), radix); |
| 88 | }, DONT_ENUM); |
| 89 | |
| 90 | |
| 91 | // ECMA-262 - 15.1.2.3 |
| 92 | %AddProperty(global, "parseFloat", function(string) { |
| 93 | return %StringParseFloat(ToString(string)); |
| 94 | }, DONT_ENUM); |
| 95 | |
| 96 | |
| 97 | // ---------------------------------------------------------------------------- |
| 98 | // Boolean (first part of definition) |
| 99 | |
| 100 | |
| 101 | %SetCode($Boolean, function(x) { |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 102 | if (%IsConstructCall()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 103 | %_SetValueOf(this, ToBoolean(x)); |
| 104 | } else { |
| 105 | return ToBoolean(x); |
| 106 | } |
| 107 | }); |
| 108 | |
| 109 | %FunctionSetPrototype($Boolean, new $Boolean(false)); |
| 110 | |
| 111 | %AddProperty($Boolean.prototype, "constructor", $Boolean, DONT_ENUM); |
| 112 | |
| 113 | // ---------------------------------------------------------------------------- |
| 114 | // Object |
| 115 | |
| 116 | $Object.prototype.constructor = $Object; |
| 117 | |
| 118 | %AddProperty($Object.prototype, "toString", function() { |
| 119 | var c = %ClassOf(this); |
| 120 | // Hide Arguments from the outside. |
| 121 | if (c === 'Arguments') c = 'Object'; |
| 122 | return "[object " + c + "]"; |
| 123 | }, DONT_ENUM); |
| 124 | |
| 125 | |
| 126 | // ECMA-262, section 15.2.4.3, page 84. |
| 127 | %AddProperty($Object.prototype, "toLocaleString", function() { |
| 128 | return this.toString(); |
| 129 | }, DONT_ENUM); |
| 130 | |
| 131 | |
| 132 | // ECMA-262, section 15.2.4.4, page 85. |
| 133 | %AddProperty($Object.prototype, "valueOf", function() { |
| 134 | return this; |
| 135 | }, DONT_ENUM); |
| 136 | |
| 137 | |
| 138 | // ECMA-262, section 15.2.4.5, page 85. |
| 139 | %AddProperty($Object.prototype, "hasOwnProperty", function(V) { |
| 140 | return %HasLocalProperty(ToObject(this), ToString(V)); |
| 141 | }, DONT_ENUM); |
| 142 | |
| 143 | |
| 144 | // ECMA-262, section 15.2.4.6, page 85. |
| 145 | %AddProperty($Object.prototype, "isPrototypeOf", function(V) { |
| 146 | if (!IS_OBJECT(V) && !IS_FUNCTION(V)) return false; |
| 147 | return %IsInPrototypeChain(this, V); |
| 148 | }, DONT_ENUM); |
| 149 | |
| 150 | |
| 151 | // ECMA-262, section 15.2.4.6, page 85. |
| 152 | %AddProperty($Object.prototype, "propertyIsEnumerable", function(V) { |
| 153 | if (this == null) return false; |
| 154 | if (!IS_OBJECT(this) && !IS_FUNCTION(this)) return false; |
| 155 | return %IsPropertyEnumerable(this, ToString(V)); |
| 156 | }, DONT_ENUM); |
| 157 | |
| 158 | |
| 159 | // Extensions for providing property getters and setters. |
| 160 | %AddProperty($Object.prototype, "__defineGetter__", function(name, fun) { |
| 161 | if (this == null) throw new $TypeError('Object.prototype.__defineGetter__: this is Null'); |
| 162 | if (!IS_FUNCTION(fun)) throw new $TypeError('Object.prototype.__defineGetter__: Expecting function'); |
| 163 | return %DefineAccessor(ToObject(this), ToString(name), GETTER, fun); |
| 164 | }, DONT_ENUM); |
| 165 | |
| 166 | |
| 167 | |
| 168 | %AddProperty($Object.prototype, "__lookupGetter__", function(name) { |
| 169 | if (this == null) throw new $TypeError('Object.prototype.__lookupGetter__: this is Null'); |
| 170 | return %LookupAccessor(ToObject(this), ToString(name), GETTER); |
| 171 | }, DONT_ENUM); |
| 172 | |
| 173 | |
| 174 | %AddProperty($Object.prototype, "__defineSetter__", function(name, fun) { |
| 175 | if (this == null) throw new $TypeError('Object.prototype.__defineSetter__: this is Null'); |
| 176 | if (!IS_FUNCTION(fun)) throw new $TypeError('Object.prototype.__defineSetter__: Expecting function'); |
| 177 | return %DefineAccessor(ToObject(this), ToString(name), SETTER, fun); |
| 178 | }, DONT_ENUM); |
| 179 | |
| 180 | |
| 181 | %AddProperty($Object.prototype, "__lookupSetter__", function(name) { |
| 182 | if (this == null) throw new $TypeError('Object.prototype.__lookupSetter__: this is Null'); |
| 183 | return %LookupAccessor(ToObject(this), ToString(name), SETTER); |
| 184 | }, DONT_ENUM); |
| 185 | |
| 186 | |
| 187 | %SetCode($Object, function(x) { |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 188 | if (%IsConstructCall()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 189 | if (x == null) return this; |
| 190 | return ToObject(x); |
| 191 | } else { |
| 192 | if (x == null) return { }; |
| 193 | return ToObject(x); |
| 194 | } |
| 195 | }); |
| 196 | |
| 197 | |
| 198 | // ---------------------------------------------------------------------------- |
| 199 | // Global stuff... |
| 200 | |
| 201 | %AddProperty(global, "eval", function(x) { |
| 202 | if (!IS_STRING(x)) return x; |
| 203 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame^] | 204 | var f = %CompileString(x, 0, true); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 205 | if (!IS_FUNCTION(f)) return f; |
| 206 | |
| 207 | return f.call(%EvalReceiver(this)); |
| 208 | }, DONT_ENUM); |
| 209 | |
| 210 | |
| 211 | // execScript for IE compatibility. |
| 212 | %AddProperty(global, "execScript", function(expr, lang) { |
| 213 | // NOTE: We don't care about the character casing. |
| 214 | if (!lang || /javascript/i.test(lang)) { |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame^] | 215 | var f = %CompileString(ToString(expr), 0, false); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 216 | f.call(global); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 217 | } |
| 218 | return null; |
| 219 | }, DONT_ENUM); |
| 220 | |
| 221 | |
| 222 | // ---------------------------------------------------------------------------- |
| 223 | // Boolean |
| 224 | |
| 225 | %AddProperty($Boolean.prototype, "toString", function() { |
| 226 | // NOTE: Both Boolean objects and values can enter here as |
| 227 | // 'this'. This is not as dictated by ECMA-262. |
| 228 | if (!IS_BOOLEAN(this) && %ClassOf(this) !== 'Boolean') |
| 229 | throw new $TypeError('Boolean.prototype.toString is not generic'); |
| 230 | return ToString(%_ValueOf(this)); |
| 231 | }, DONT_ENUM); |
| 232 | |
| 233 | |
| 234 | %AddProperty($Boolean.prototype, "valueOf", function() { |
| 235 | // NOTE: Both Boolean objects and values can enter here as |
| 236 | // 'this'. This is not as dictated by ECMA-262. |
| 237 | if (!IS_BOOLEAN(this) && %ClassOf(this) !== 'Boolean') |
| 238 | throw new $TypeError('Boolean.prototype.valueOf is not generic'); |
| 239 | return %_ValueOf(this); |
| 240 | }, DONT_ENUM); |
| 241 | |
| 242 | |
| 243 | // ---------------------------------------------------------------------------- |
| 244 | // Number |
| 245 | |
| 246 | // Set the Number function and constructor. |
| 247 | %SetCode($Number, function(x) { |
| 248 | var value = %_ArgumentsLength() == 0 ? 0 : ToNumber(x); |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 249 | if (%IsConstructCall()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 250 | %_SetValueOf(this, value); |
| 251 | } else { |
| 252 | return value; |
| 253 | } |
| 254 | }); |
| 255 | |
| 256 | %FunctionSetPrototype($Number, new $Number(0)); |
| 257 | |
| 258 | %AddProperty($Number.prototype, "constructor", $Number, DONT_ENUM); |
| 259 | |
| 260 | // ECMA-262 section 15.7.3.1. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 261 | %AddProperty($Number, "MAX_VALUE", 1.7976931348623157e+308, DONT_ENUM | DONT_DELETE | READ_ONLY); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 262 | |
| 263 | // ECMA-262 section 15.7.3.2. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 264 | %AddProperty($Number, "MIN_VALUE", 5e-324, DONT_ENUM | DONT_DELETE | READ_ONLY); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 265 | |
| 266 | // ECMA-262 section 15.7.3.3. |
| 267 | %AddProperty($Number, "NaN", $NaN, DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 268 | |
| 269 | // ECMA-262 section 15.7.3.4. |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 270 | %AddProperty($Number, "NEGATIVE_INFINITY", -1/0, DONT_ENUM | DONT_DELETE | READ_ONLY); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 271 | |
| 272 | // ECMA-262 section 15.7.3.5. |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 273 | %AddProperty($Number, "POSITIVE_INFINITY", 1/0, DONT_ENUM | DONT_DELETE | READ_ONLY); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 274 | |
| 275 | // ECMA-262 section 15.7.4.2. |
| 276 | %AddProperty($Number.prototype, "toString", function(radix) { |
| 277 | // NOTE: Both Number objects and values can enter here as |
| 278 | // 'this'. This is not as dictated by ECMA-262. |
| 279 | var number = this; |
| 280 | if (!IS_NUMBER(this)) { |
| 281 | if (%ClassOf(this) !== 'Number') |
| 282 | throw new $TypeError('Number.prototype.toString is not generic'); |
| 283 | // Get the value of this number in case it's an object. |
| 284 | number = %_ValueOf(this); |
| 285 | } |
| 286 | // Fast case: Convert number in radix 10. |
| 287 | if (IS_UNDEFINED(radix) || radix === 10) { |
| 288 | return ToString(number); |
| 289 | } |
| 290 | |
| 291 | // Convert the radix to an integer and check the range. |
| 292 | radix = TO_INTEGER(radix); |
| 293 | if (radix < 2 || radix > 36) { |
| 294 | throw new $RangeError('toString() radix argument must be between 2 and 36'); |
| 295 | } |
| 296 | // Convert the number to a string in the given radix. |
| 297 | return %NumberToRadixString(number, radix); |
| 298 | }, DONT_ENUM); |
| 299 | |
| 300 | |
| 301 | // ECMA-262 section 15.7.4.3 |
| 302 | %AddProperty($Number.prototype, "toLocaleString", function() { |
| 303 | return this.toString(); |
| 304 | }, DONT_ENUM); |
| 305 | |
| 306 | |
| 307 | // ECMA-262 section 15.7.4.4 |
| 308 | %AddProperty($Number.prototype, "valueOf", function() { |
| 309 | // NOTE: Both Number objects and values can enter here as |
| 310 | // 'this'. This is not as dictated by ECMA-262. |
| 311 | if (!IS_NUMBER(this) && %ClassOf(this) !== 'Number') |
| 312 | throw new $TypeError('Number.prototype.valueOf is not generic'); |
| 313 | return %_ValueOf(this); |
| 314 | }, DONT_ENUM); |
| 315 | |
| 316 | |
| 317 | // ECMA-262 section 15.7.4.5 |
| 318 | %AddProperty($Number.prototype, "toFixed", function(fractionDigits) { |
| 319 | var f = TO_INTEGER(fractionDigits); |
| 320 | if (f < 0 || f > 20) { |
| 321 | throw new $RangeError("toFixed() digits argument must be between 0 and 20"); |
| 322 | } |
| 323 | var x = ToNumber(this); |
| 324 | return %NumberToFixed(x, f); |
| 325 | }, DONT_ENUM); |
| 326 | |
| 327 | |
| 328 | // ECMA-262 section 15.7.4.6 |
| 329 | %AddProperty($Number.prototype, "toExponential", function(fractionDigits) { |
| 330 | var f = -1; |
| 331 | if (!IS_UNDEFINED(fractionDigits)) { |
| 332 | f = TO_INTEGER(fractionDigits); |
| 333 | if (f < 0 || f > 20) { |
| 334 | throw new $RangeError("toExponential() argument must be between 0 and 20"); |
| 335 | } |
| 336 | } |
| 337 | var x = ToNumber(this); |
| 338 | return %NumberToExponential(x, f); |
| 339 | }, DONT_ENUM); |
| 340 | |
| 341 | |
| 342 | // ECMA-262 section 15.7.4.7 |
| 343 | %AddProperty($Number.prototype, "toPrecision", function(precision) { |
| 344 | if (IS_UNDEFINED(precision)) return ToString(%_ValueOf(this)); |
| 345 | var p = TO_INTEGER(precision); |
| 346 | if (p < 1 || p > 21) { |
| 347 | throw new $RangeError("toPrecision() argument must be between 1 and 21"); |
| 348 | } |
| 349 | var x = ToNumber(this); |
| 350 | return %NumberToPrecision(x, p); |
| 351 | }, DONT_ENUM); |
| 352 | |
| 353 | |
| 354 | // ---------------------------------------------------------------------------- |
| 355 | // Function |
| 356 | |
| 357 | $Function.prototype.constructor = $Function; |
| 358 | |
| 359 | |
| 360 | function FunctionSourceString(func) { |
| 361 | // NOTE: Both Function objects and values can enter here as |
| 362 | // 'func'. This is not as dictated by ECMA-262. |
| 363 | if (!IS_FUNCTION(func) && %ClassOf(func) != 'Function') |
| 364 | throw new $TypeError('Function.prototype.toString is not generic'); |
| 365 | |
| 366 | var source = %FunctionGetSourceCode(func); |
| 367 | if (!IS_STRING(source)) { |
| 368 | var name = %FunctionGetName(func); |
| 369 | if (name) { |
| 370 | // Mimic what KJS does. |
| 371 | return 'function ' + name + '() { [native code] }'; |
| 372 | } else { |
| 373 | return 'function () { [native code] }'; |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | // Censor occurrences of internal calls. We do that for all |
| 378 | // functions and don't cache under the assumption that people rarly |
| 379 | // convert functions to strings. Note that we (apparently) can't |
| 380 | // use regular expression literals in natives files. |
| 381 | var regexp = ORIGINAL_REGEXP("%(\\w+\\()", "gm"); |
| 382 | if (source.match(regexp)) source = source.replace(regexp, "$1"); |
| 383 | var name = %FunctionGetName(func); |
| 384 | return 'function ' + name + source; |
| 385 | }; |
| 386 | |
| 387 | |
| 388 | %AddProperty($Function.prototype, "toString", function() { |
| 389 | return FunctionSourceString(this); |
| 390 | }, DONT_ENUM); |
| 391 | |
| 392 | |
| 393 | function NewFunction(arg1) { // length == 1 |
| 394 | var n = %_ArgumentsLength(); |
| 395 | var p = ''; |
| 396 | if (n > 1) { |
| 397 | p = new $Array(n - 1); |
| 398 | // Explicitly convert all parameters to strings. |
| 399 | // Array.prototype.join replaces null with empty strings which is |
| 400 | // not appropriate. |
| 401 | for (var i = 0; i < n - 1; i++) p[i] = ToString(%_Arguments(i)); |
| 402 | p = p.join(','); |
| 403 | // If the formal parameters string include ) - an illegal |
| 404 | // character - it may make the combined function expression |
| 405 | // compile. We avoid this problem by checking for this early on. |
| 406 | if (p.indexOf(')') != -1) throw MakeSyntaxError('unable_to_parse',[]); |
| 407 | } |
| 408 | var body = (n > 0) ? ToString(%_Arguments(n - 1)) : ''; |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame^] | 409 | var source = '(function(' + p + ') {\n' + body + '\n})'; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 410 | |
| 411 | // The call to SetNewFunctionAttributes will ensure the prototype |
| 412 | // property of the resulting function is enumerable (ECMA262, 15.3.5.2). |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame^] | 413 | var f = %CompileString(source, -1, false)(); |
| 414 | %FunctionSetName(f, "anonymous"); |
| 415 | return %SetNewFunctionAttributes(f); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 416 | }; |
| 417 | |
| 418 | %SetCode($Function, NewFunction); |